Shān Tāo tuījiàn Jī Kāng zuò guān, Jī Kāng què xiěxìn gēn tā juéjiāo le.
Shan Tao recommended Ji Kang for office, but Ji Kang wrote him a letter breaking off their friendship.
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The letter is 《与山巨源绝交书》, 巨源 being his courtesy name. Even so, before his execution 嵇康 told his son 嵇绍: 巨源在,汝不孤矣, "while Juyuan lives, you will not be an orphan", and Shan Tao did look after the boy.